Finding the Fourth Proportional to 66,572,229.60, 99,795,358.80 and 39,299,464.80
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Solution
The fourth proportional to 66,572,229.60, 99,795,358.80 and 39,299,464.80 is: 58,912,015.02
Step by Step Solution
- Step 1: Write the proportion equation
66,572,229.60 : 99,795,358.80 = 39,299,464.80 : x - Step 2: Convert to fraction form
66,572,229.60/99,795,358.80 = 39,299,464.80/x - Step 3: Cross multiply
66,572,229.60x = 99,795,358.80 × 39,299,464.80 - Step 4: Simplify right side
66,572,229.60x = 3,921,904,190,363,970 - Step 5: Solve for x
x = 3,921,904,190,363,970/66,572,229.60 - Step 6: Final answer
x = 58,912,015.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.